“I would bet you if you’re phone is connected to WiFi they figure you’ll never notice a little extra data/traffic out, and they occasionally send a few packets of compressed information.”
Your android connects to Google’s servers 3000+ times a day. What apps you open, your location coarse and fine, the websites you visit using chrome, contacts updates, who you called and on and on. You already don’t notice.
Yep... Sure does.